pip install adalflow

from adalflow import Agent, Runner
from adalflow.components.model_client.openai_client import OpenAIClient
from adalflow.core.types import (
    ToolCallActivityRunItem, 
    RunItemStreamEvent,
    ToolCallRunItem,
    ToolOutputRunItem,
    FinalOutputItem
)
import asyncio

# Define tools
def calculator(expression: str) -> str:
    """Evaluate a mathematical expression."""
    try:
        result = eval(expression)
        return f"The result of {expression} is {result}"
    except Exception as e:
        return f"Error: {e}"

async def web_search(query: str="what is the weather in SF today?") -> str:
    """Web search on query."""
    await asyncio.sleep(0.5)
    return "San Francisco will be mostly cloudy today with some afternoon sun, reaching about 67 °F (20 °C)."

def counter(limit: int):
    """A counter that counts up to a limit."""
    final_output = []
    for i in range(1, limit + 1):
        stream_item = f"Count: {i}/{limit}"
        final_output.append(stream_item)
        yield ToolCallActivityRunItem(data=stream_item)
    yield final_output

# Create agent with tools
agent = Agent(
    name="MyAgent",
    tools=[calculator, web_search, counter],
    model_client=OpenAIClient(),
    model_kwargs={"model": "gpt-4o", "temperature": 0.3},
    max_steps=5
)

runner = Runner(agent=agent)